{"id":2224682,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2224682/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260417173621.368914-10-ynorov@nvidia.com/","project":{"id":9,"url":"http://patchwork.ozlabs.org/api/1.2/projects/9/?format=json","name":"Linux RTC development","link_name":"rtc-linux","list_id":"linux-rtc.vger.kernel.org","list_email":"linux-rtc@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260417173621.368914-10-ynorov@nvidia.com>","list_archive_url":null,"date":"2026-04-17T17:36:20","name":"[9/9] ptp: switch to using FIELD_GET_SIGNED()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"60af789c3af663813ce68db466213e591369275b","submitter":{"id":92516,"url":"http://patchwork.ozlabs.org/api/1.2/people/92516/?format=json","name":"Yury Norov","email":"ynorov@nvidia.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260417173621.368914-10-ynorov@nvidia.com/mbox/","series":[{"id":500382,"url":"http://patchwork.ozlabs.org/api/1.2/series/500382/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=500382","date":"2026-04-17T17:36:11","name":"bitfield: add FIELD_GET_SIGNED()","version":1,"mbox":"http://patchwork.ozlabs.org/series/500382/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224682/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224682/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-rtc@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=eGUb5th6;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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dmarc=pass action=none header.from=nvidia.com;\n dkim=pass header.d=nvidia.com; arc=none"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=YhEMlCS+gk5qzaIUTW6mjfmr6VnP9Ohc19O2DtAx8YA=;\n b=eGUb5th6B3uwQCQYmJJ0M8FjSIAF3HJD5wfwMqmLZt3avslT3Ohj5JwOQNEqkoiQJXhOZLD4AniQ5nZJjTzJk/rGoJ1ywNVPsCiscHzHJAbLjpoH4vpV5mT2A5Lphi2DmjqqX0CZshUw8qly/rQfgHdbXNPIYHsk2U7VRkbx3/I0G08cqy4f9U81OLJghyBXPUQl824dJRGhwH4a9Kt2E49j9ZG/rPlJ5Ufa3IePBDz5/Dxthz46+A5EQYdLR7+jUHaCZrD3MgbVYp6InzPk5arOsS/OV19OXW6y/EiEpZKWji+5Dez2EubolhxobaVfY2qUZyQvNtEEg4hiRDbLsA==","From":"Yury Norov ","To":"Thomas Gleixner , Ingo Molnar ,\n Borislav Petkov , Dave Hansen ,\n x86@kernel.org, \"H. Peter Anvin\" ,\n Andy Lutomirski , Peter Zijlstra ,\n Jonathan Cameron , David Lechner ,\n\t=?utf-8?q?Nuno_S=C3=A1?= ,\n Andy Shevchenko , Ping-Ke Shih ,\n Richard Cochran ,\n Andrew Lunn , \"David S. Miller\" ,\n Eric Dumazet , Jakub Kicinski ,\n Paolo Abeni ,\n Alexandre Belloni ,\n Yury Norov ,\n Rasmus Villemoes ,\n Hans de Goede , Linus Walleij ,\n Sakari Ailus ,\n Salah Triki , Achim Gratz ,\n Ben Collins , linux-kernel@vger.kernel.org,\n linux-iio@vger.kernel.org, linux-wireless@vger.kernel.org,\n netdev@vger.kernel.org, linux-rtc@vger.kernel.org","Cc":"Yury Norov ","Subject":"[PATCH 9/9] ptp: switch to using FIELD_GET_SIGNED()","Date":"Fri, 17 Apr 2026 13:36:20 -0400","Message-ID":"<20260417173621.368914-10-ynorov@nvidia.com>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260417173621.368914-1-ynorov@nvidia.com>","References":"<20260417173621.368914-1-ynorov@nvidia.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"BN0PR04CA0179.namprd04.prod.outlook.com\n (2603:10b6:408:eb::34) To CY8PR12MB8300.namprd12.prod.outlook.com\n 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fb406505-549b-4b4c-1f67-08de9ca7e466","X-MS-Exchange-CrossTenant-AuthSource":"CY8PR12MB8300.namprd12.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"17 Apr 2026 17:36:43.9538\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"43083d15-7273-40c1-b7db-39efd9ccc17a","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n pznCGRjTJVrqRfg8nUWwPlG5UjfgFAEkOrtbaNR66YISEna3OAHwDTglYLR68dxkaYooq6cF0cAP96rkITiu2A==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"SJ5PPF7B9E98CB6"},"content":"Switch from sign_extend32(FIELD_GET()) to the dedicated\nFIELD_GET_SIGNED() and don't calculate the fields length explicitly.\n\nSigned-off-by: Yury Norov \n---\n drivers/ptp/ptp_fc3.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/drivers/ptp/ptp_fc3.c b/drivers/ptp/ptp_fc3.c\nindex 70002500170e..f0e000428a3f 100644\n--- a/drivers/ptp/ptp_fc3.c\n+++ b/drivers/ptp/ptp_fc3.c\n@@ -55,8 +55,8 @@ static s64 tdc_meas2offset(struct idtfc3 *idtfc3, u64 meas_read)\n {\n \ts64 coarse, fine;\n \n-\tfine = sign_extend64(FIELD_GET(FINE_MEAS_MASK, meas_read), 12);\n-\tcoarse = sign_extend64(FIELD_GET(COARSE_MEAS_MASK, meas_read), (39 - 13));\n+\tfine = FIELD_GET_SIGNED(FINE_MEAS_MASK, meas_read);\n+\tcoarse = FIELD_GET_SIGNED(COARSE_MEAS_MASK, meas_read);\n \n \tfine = div64_s64(fine * NSEC_PER_SEC, idtfc3->tdc_apll_freq * 62LL);\n \tcoarse = div64_s64(coarse * NSEC_PER_SEC, idtfc3->time_ref_freq);\n","prefixes":["9/9"]}